Comparative Study of the Morphology of the Ovipositor of Platygaster diplosisae (Hymenoptera: Platygasteridae) and Aprostocetus procerae (Hymenoptera: Eulophidae) Two Parasitoids Associated with the African Rice Gall Midge, Orseolia oryzivora (Diptera: Cecidomyiidae)
Table 3
Main biological features of O. oryzivora (host), Platygaster diplosisae, and Aprostocetus procerae (parasitoids). (According to Nacro and Nénon, 2006.)
Nature
Average
potential fecundity
Average fertility
Eggs’ envelopes thickness
Length of the ovipositor
Distribution
of the sensorial organs on the ovipositor
Nature of the parasitism
O. oryzivora
host
High (300 eggs)
Medium (35.6)
Thin (0.7 m)
—
—
—
P.
diplosisae
parasitoid
Very high
Not assessed
Very thin
40 m
Mainly distributed on the
distal portion of valve 3 Mechanoreceptors and chemioreceptors
Gregarious endoparasitism of the egg or L1 of the host
A. procerae
parasitoid
Low
Not assessed
Thin
1.2 m
well distributed on the different parts of the ovipositor Mechanoreceptors and chemioreceptors